The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 03, 2026
Filed:
Jan. 15, 2020
Sumitomo Electric Industries, Ltd., Osaka, JP;
Takahiro Saito, Osaka, JP;
Iwao Okazaki, Osaka, JP;
Ryutarou Miyazaki, Utsunomiya, JP;
Yoshihiro Morimoto, Utsunomiya, JP;
Masayuki Kato, Utsunomiya, JP;
SUMITOMO ELECTRIC INDUSTRIES, LTD., Osaka, JP;
Abstract
This winding device includes: a bobbin for winding an optical fiber, the bobbin being a striated body; a cover that covers the outer periphery of the bobbin, the cover having provided thereto a slit that is parallel to the axial direction of the bobbin, and the optical fiber being inserted through the slit; and a roller for directly guiding the optical fiber to the bobbin. In accordance with the bobbin winding barrel diameter of the optical fiber on the bobbin, the bobbin and the roller are caused to move relatively, or the position of the slit in the cover is caused to move in the circumferential direction.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile